BAEL-4088: clean-up.

spring-multipart-file/pom.xml

@@ -14,6 +14,11 @@
         <relativePath>../parent-spring-5</relativePath>
     </parent>
 
+    <properties>
+        <junit.version>4.12</junit.version>
+        <org.springframework.spring-mock.version>2.0.8</org.springframework.spring-mock.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.springframework</groupId>
@@ -23,13 +28,13 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-mock</artifactId>
-            <version>2.0.8</version>
+            <version>${org.springframework.spring-mock.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>

spring-multipart-file/src/test/java/com/baeldung/multipart/file/ConvertMultipartFileExample.java

@@ -12,6 +12,11 @@ import org.springframework.web.multipart.MultipartFile;
 
 public class ConvertMultipartFileExample {
 
+    /**
+     * Example of converting a {@link MultipartFile} to a {@link File} using {@link MultipartFile#getBytes()}.
+     * 
+     * @throws IOException
+     */
     @Test
     public void whenGetBytes_thenOK() throws IOException {
         MultipartFile multipartFile = new MockMultipartFile("sourceFile.tmp", "Hello World".getBytes());
@@ -25,6 +30,11 @@ public class ConvertMultipartFileExample {
         os.close();
     }
 
+    /**
+     * Example of converting a {@link MultipartFile} to a {@link File} using {@link MultipartFile#getInputStream()}.
+     * 
+     * @throws IOException
+     */
     @Test
     public void whenGetInputStream_thenOK() throws IOException {
         MultipartFile multipartFile = new MockMultipartFile("sourceFile.tmp", "Hello World".getBytes());
@@ -40,6 +50,11 @@ public class ConvertMultipartFileExample {
         outStream.close();
     }
 
+    /**
+     * Example of converting a {@link MultipartFile} to a {@link File} using {@link MultipartFile#transferTo(File)}.
+     * 
+     * @throws IOException
+     */
     @Test
     public void whenTransferTo_thenOK() throws IllegalStateException, IOException {
         MultipartFile multipartFile = new MockMultipartFile("sourceFile.tmp", "Hello World".getBytes());